Perhaps you should try some spelling variations:
training work » training women, training workshop
training cost » training costs, training course, training courses
equal credit » dual credit, equity credit, rural credit
wang yang » wang yan, wang liang, wang yanling
so equal » two equal, _ equal, 6 equal
yang so » yang yao
cong » congo, long, hong

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: wang yang so equal credit ((training work) or (training cost)) cong shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang so equal credit ((training work) OR (training cost)) cong shu ;.
• Adding a wildcard symbol may retrieve word variants: wang yang so equal credit ((training work) or (training cost)) cong shu ;*.